Yet another finger keybord (gui mock-up).
jw at raven.inka.de
Sun Aug 26 10:57:10 CEST 2007
[ I warm-up this old thread again... ]
On Mon, Mar 05, 2007 at 12:02:31AM +0200, Lars Hallberg wrote:
> a mock-up on a 90-key by one stroke finger keyboard. Think this might be
> an usable and pretty efficient input method.
This looks very promising. I like this idea. The only issue I see is that
the least used characters (numbers) are the easiest to enter. IMHO, the
mostly used characters should be accessible without dragging.
for a list of mostly used letters in german. In english, the frequency
is similar, but unfortunately I can't find the table right now. I remember
I have seen the english table as I was searching for information about
dvorak keyboards on wikipedia, but I can't find it anymore.
I suggest to add a second layout, and use one of the unused drag
positions to switch between your original "phone layout" and a second
"text layout". We could even have a third "programmer layout" or something.
When the nine mostly used characters (e,n,i,s,r,a,t,d,h) are put in the
middle of the buttons, 71% of all keystrokes would be done without dragging.
When the 15 mostly used characters (e,n,i,s,r,a,t,d,h,u,l,c,g,m,o) are put
in the middle, 90% of all keystrokes would be done without dragging.
Unfortunately, the table don't contain special characters. I suggest to
put at least the space onto a main position.
This mail, up to (and including) this paragraph, has this frequency:
pos char cnt % cum%
1 SPACE: 224 14.79 14.79
2 e: 131 8.65 23.43
3 t: 107 7.06 30.50
4 a: 85 5.61 36.11
5 o: 78 5.15 41.25
6 n: 75 4.95 46.20
7 i: 73 4.82 51.02
8 s: 73 4.82 55.84
9 r: 61 4.03 59.87
10 h: 56 3.70 63.56
11 u: 45 2.97 66.53
12 d: 44 2.90 69.44
13 l: 42 2.77 72.21
14 c: 33 2.18 74.39
15 CR: 33 2.18 76.57
>From this table, we can see two tings:
1. space most definitely needs to be on a main position
2. while the order is different, eight of the nine characters mentioned
above are on the first nine positions in the table.
BTW: Vi users would probably like to have the colon on a main position.
Emacs users would probably like ESC and CRTL-X on a main position, so I
guess having it configurable would be the best.
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